Executable files used by Webex App on Windows
If you use security software such as Windows Defender Application Control (WDAC) or AppLocker on your user’s computers, you may need to whitelist certain executables to ensure that Webex works properly.
The whitelist on the security software includes all authorized files required by the Webex App.
Folder locations are specific to bulk installation of the App
(.msi with ALLUSERS=1 parameter)
File | Folder | Description |
CiscoCollabHost.exe |
C:\Program Files\Cisco Spark\ | The main host executable for the Webex App. Webex App has a multiprocess architecture. Several instances of this executable run at once - each hosting a different workload (main app and UI, media, accessories, calling, MAPI, and so on). |
MicrosoftEdgeWebview2Setup.exe | C:\Program Files\Cisco Spark \WebView2Runtime\ | Web installer for Microsoft’s WebView2 library. It is used if WV2 isn’t already installed on the system. |
CiscoWebExStart.exe | C:\Program Files\Cisco Spark \dependencies\ | Used to join meetings on the Webex Meeting platform. |
teamshvdagent.exe | C:\Program Files\Cisco Spark \dependencies\ | Used by Webex App VDI Deployment. |
teamsdcvagent.exe | C:\Program Files\Cisco Spark \dependencies\ | Used by Webex App VDI Deployment to support Amazon Workspace VDI. |
washost.exe | C:\Program Files\Cisco Spark \dependencies\ | Used by content sharing features such as screen sharing, application sharing, and so on. |
webexhost.exe | C:\Program Files\Cisco Spark \dependencies\ | Used to join meetings on the Webex Meeting platform. |
wmlhost.exe | C:\Program Files\Cisco Spark \dependencies\ | Used by video AI features such as virtual backgrounds, gestures etc. |
CiscoCollabHost.exe | C:\Program Files\Cisco Spark \dependencies\x86\ | A 32-bit version of the host executable that is used if the installed version of Microsoft Outlook is 32-bit. |
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